mourn

/ˈmȯrn/

Middle English, from Old English murnan; akin to Old High German mornēn to mourn, Greek mermēra care

verb

  1. to feel or express grief or sorrow

  2. to show the customary signs of grief for a death; especially : to wear mourning

  3. to murmur mournfully —used especially of doves

When he dies, people throughout the world will mourn.